Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Hardness:
6 - Orthoclase
Luster:
Sub Metallic
Streak:
brown
Optical Properties of Blatterite
Gladstone-Dale:
CI meas= 0.047 (Good) - where the CI = (1-KPDmeas/KC) CI calc= -0.052 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2254,KPDmeas= 0.2043,KC= 0.2143 Ncalc = 1.91 - 2.01
Optical Data:
Biaxial (-), a=1.91, b=1.97, g=2, bire=0.0900
RL Anisotrophism:
Weak to distinct, in shades of grayish brown.
RL Bireflectance:
Buff, creamy buff, pale buff.
RL Color:
Exhibits red-orange internal reflections.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Blatterite in Air
λ
R1
R2
∑ R1(λ)
∑ R2(λ)
400 nm
11.10
12.40
420 nm
10.90
12.20
440 nm
10.70
12.00
460 nm
10.50
11.90
480 nm
10.40
11.80
500 nm
10.30
11.70
520 nm
10.20
11.60
540 nm
10.10
11.50
560 nm
10.00
11.40
580 nm
9.98
11.40
600 nm
9.97
11.30
620 nm
9.95
11.30
640 nm
9.93
11.20
660 nm
9.91
11.20
680 nm
9.88
11.10
700 nm
9.86
11.10
Calculated Relative Intensity Colors of Blatterite in Air
Relative Intensity
0%
90%
100%
180%
270%
360%
450%
540%
630%
720%
810%
880%
R1
R2
Calculated Properties of Blatterite
Electron Density:
Bulk Density (Electron Density)=4.42 gm/cc note: Specific Gravity of Blatterite =4.70 gm/cc.
Fermion Index:
Fermion Index = 0.01 Boson Index = 0.99
Photoelectric:
PEBlatterite = 41.67 barns/electron U=PEBlatterite x rElectron Density= 184.36 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Blatterite is Not Radioactive
Chemical Formula: 
